Enter the Ukraine 

Ukraine has set visa free regime for citizens of US, Canada, Japan, European Union countries, Norway, Monaco, San Marino, Andorra, Iceland, Swiss Confederation and Liechtenstein. Visa free regime is established for the period of up to 90 days staying in the country. Also, you don't need confirmed hotel reservation!
            Passports
        Passport valid for at least one month beyond return date required by all nationals referred to in the chart above.     
            Passport Note
                (a) Ukrainian visas are not valid in the Russian Federation, and Russian Federation visas are not valid in Ukraine. (b) As a general rule, visitors requiring visas should apply before travelling.
            Visas
        Not required by nationals referred to in the chart above for a maximum stay of 90 days, except:
                1. Nationals of Australia;
                2. Nationals of Bulgaria and Romania who do need a visa.
               
        Note: Nationals not referred to in the chart above are advised to contact the embassy to check visa requirements (see Contact Addresses).      

            Types of Visa and Cost
        Tourist: £20 (single-entry); £35 (double-entry); Business/Private: £20 (single-entry); £40 (double-entry); £110 (multiple-entry). Student: £10 (single-entry). Transit: £10 (double-entry); £50 (multiple-entry). US nationals: £63 (single-entry); £69 (double-entry); £104 (multiple-entry).
        Note: A handling charge of £20 is also required from the embassy for each application. 
            Validity
        Single-entry: Valid for stays of up to 90 days within six months after first trip to Ukraine; Double-entry/Multiple-entry: Six to 12 months; Transit: Five days for each entry.
        Applications to:
        Consulate (or consular section at embassy);
        Working Days Required
        10. Three working days if applied in person or by courier